Move mirrors from dartdoc to dart2js

sdk/lib/_internal/dartdoc/lib/mirrors_util.dart

Index: sdk/lib/_internal/dartdoc/lib/mirrors_util.dart
diff --git a/sdk/lib/_internal/dartdoc/lib/mirrors_util.dart b/sdk/lib/_internal/dartdoc/lib/mirrors_util.dart
deleted file mode 100644
index cede225be99a109917dbbcaa04c9047e58434ebd..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/dartdoc/lib/mirrors_util.dart
+++ /dev/null
@@ -1,115 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library mirrors_util;
-
-// TODO(rnystrom): Use "package:" URL (#4968).
-import 'mirrors.dart';
-
-//------------------------------------------------------------------------------
-// Utility functions for using the Mirror API
-//------------------------------------------------------------------------------
-
-/**
- * Returns an iterable over the type declarations directly inheriting from
- * the declaration of this type.
- */
-Iterable<ClassMirror> computeSubdeclarations(ClassMirror type) {
-  type = type.originalDeclaration;
-  var subtypes = <ClassMirror>[];
-  type.mirrors.libraries.forEach((_, library) {
-    for (ClassMirror otherType in library.classes.values) {
-      var superClass = otherType.superclass;
-      if (superClass != null) {
-        superClass = superClass.originalDeclaration;
-        if (type.library == superClass.library) {
-          if (superClass == type) {
-             subtypes.add(otherType);
-          }
-        }
-      }
-      final superInterfaces = otherType.superinterfaces;
-      for (ClassMirror superInterface in superInterfaces) {
-        superInterface = superInterface.originalDeclaration;
-        if (type.library == superInterface.library) {
-          if (superInterface == type) {
-            subtypes.add(otherType);
-          }
-        }
-      }
-    }
-  });
-  return subtypes;
-}
-
-LibraryMirror findLibrary(MemberMirror member) {
-  DeclarationMirror owner = member.owner;
-  if (owner is LibraryMirror) {
-    return owner;
-  } else if (owner is TypeMirror) {
-    return owner.library;
-  }
-  throw new Exception('Unexpected owner: ${owner}');
-}
-
-class HierarchyIterable implements Iterable<ClassMirror> {
-  final bool includeType;
-  final ClassMirror type;
-
-  HierarchyIterable(this.type, {bool includeType})
-      : this.includeType = includeType;
-
-  Iterator<ClassMirror> iterator() =>
-      new HierarchyIterator(type, includeType: includeType);
-}
-
-/**
- * [HierarchyIterator] iterates through the class hierarchy of the provided
- * type.
- *
- * First is the superclass relation is traversed, skipping [Object], next the
- * superinterface relation and finally is [Object] visited. The supertypes are
- * visited in breadth first order and a superinterface is visited more than once
- * if implemented through multiple supertypes.
- */
-class HierarchyIterator implements Iterator<ClassMirror> {
-  final Queue<ClassMirror> queue = new Queue<ClassMirror>();
-  ClassMirror object;
-
-  HierarchyIterator(ClassMirror type, {bool includeType}) {
-    if (includeType) {
-      queue.add(type);
-    } else {
-      push(type);
-    }
-  }
-
-  ClassMirror push(ClassMirror type) {
-    if (type.superclass != null) {
-      if (type.superclass.isObject) {
-        object = type.superclass;
-      } else {
-        queue.addFirst(type.superclass);
-      }
-    }
-    queue.addAll(type.superinterfaces);
-    return type;
-  }
-
-  ClassMirror next() {
-    ClassMirror type;
-    if (queue.isEmpty) {
-      if (object == null) {
-        throw new StateError("No more elements");
-      }
-      type = object;
-      object = null;
-      return type;
-    } else {
-      return push(queue.removeFirst());
-    }
-  }
-
-  bool get hasNext => !queue.isEmpty || object != null;
-}